Dettlaff, Raymond
Pianist. In 1918 played for the benefit of the Polish cause in St. Hyacinth Hall in Milwaukee, Wis. In 1920 played in presence of Ignacy Jan Paderewski in Milwaukee. In 1939 again he played for the benefit of the Polish War Victims.From: "Who's Who in Polish America" by Rev. Francis Bolek, Editor-in-Chief; Harbinger House, New York, 1943